General Question

babygalll's avatar

Do coffee places use filtered water?

Asked by babygalll (2721 points ) June 26th, 2008

I have always wondered if Starbucks Coffee, Pete’s Coffee and other coffee places using filtered water to make the coffee? Or are they using tap?

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18 Answers

arnbev959's avatar

Ponderosa uses filtered.

mikey7183's avatar

what does it matter? isnt the water boiled? well, i guess it matters for ice coffee?

babygalll's avatar

In some areas (like mine) it’s not good to drink the tap.

TheHaight's avatar

I know starbucks does, they filter the water over three times. As to why so many times? I have no idea.

playthebanjo's avatar

too bad starbucks still tastes burnt to me.

thebeadholder's avatar

But you still drink it now, don’t you? I do :-)

TheHaight's avatar

I do too thebead… Because my coffee comes out way more burnt then starbucks. :-(

jrpowell's avatar

Most places use reverse osmosis to filter the water. They do it for consistency. The cup in Seattle should taste the same as the one in Boston. And reverse osmosis filters are cheap and don’t take up much room.

lefteh's avatar

Caribou Coffee, which is big here in Columbus, uses reverse osmosis.

jlm11f's avatar

Caribou Coffee has amazing hot chocolate

lefteh's avatar

Indeed they do. Same with their chai lattes and their mochas.

LuckVIII's avatar

most major chain coffee places use filtered water. Reverse osmosis is waste full in that it create waste a lot of water just to get a bit of filtered water. Mostly filter water get rid chlorine chloride and other minerals.

lefteh's avatar

How does reverse osmosis waste water? It simply presses it through a membrane, separating solute from solvent. What’s wasted?
Also, that last sentence was entirely illegible.

LuckVIII's avatar

you put water in and you will have two separate containers coming out. One will contain the clean fresh water. The other ‘waste’ water will contain the extra minerals chloride etc that simply goes down the drain. The waste water is needed to restore the osmostic balance that is created creating the clean water.

lefteh's avatar

There’s no waste water. That’s the point of reverse osmosis. It simply separates the concentrate from the water.
See here.

arnbev959's avatar

in other words the ‘waste water’ is still good water, but the coffee places will reject it because it doesn’t have exactly the right concentration of minerals and whatever?

lefteh's avatar

If it works how I understand it, no water is rejected or disposed of by the coffee place. Unfiltered water goes into the reverse osmosis process, and filtered, clean water comes out the other end with a 100% (or damn close) retention rate. The concentrate will be separated into a dedicated container. See the diagram on my link.

Yetanotheruser's avatar

Several years ago I worked for a coffee service company. We installed coffee makers in offices, restaurants, etc. We would install reverse osmosis filters to the water supply for the coffee makers. These filters were installed right in the water line, and there was no waste.In addition to improving the quality of the water for drinking and brewing, the filters cut down on sediment deposit and keep the machines working better with less maintenance.

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